Abstract

An accurate knowledge of the spectral calibration of imaging spectrometers is required for optimum data processing and interpretation. The scene-based spectral characterization of imaging spectrometers is frequently necessary to update or replace the pre-flight laboratory-based spectral characterization supplied by the data provider. An automatic method for the estimation of spectral calibration parameters (channel position and bandwidth) at atmospheric absorption regions from high spectral resolution imaging spectrometers (spectral sampling interval below 5 nm) is presented in this contribution. The method has been tested on two commercial instruments with spectral sampling intervals below 2.5 nm. Optical aberrations such as smile, spectrometer shift and rotation and degradation of channel bandwidth have been detected and are discussed in terms of potential error sources at the instrument level.

© 2009 Optical Society of America

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  1. J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
    [CrossRef]
  2. Y. Feng and Y. Xiang, "Mitigation of spectral mis-registration effects in imaging spectrometers via cubic spline interpolation," Opt. Express 16, 15,366-15,374 (2008).
    [CrossRef]
  3. F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
    [CrossRef]
  4. L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
    [CrossRef]
  5. P. Mouroulis, R. O. Green, and T. G. Chrien, "Design of pushbroom imaging spectrometers for optimum recovery of spectroscopic and spatial information," Appl. Opt. 39, 2210-2220 (2000).
    [CrossRef]
  6. R. O. Green, "Spectral calibration requirement for Earth-looking imaging spectrometers in the solar-reflected spectrum," Appl. Opt. 37, 683-690 (1998).
    [CrossRef]
  7. S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
    [CrossRef]
  8. L. Guanter, R. Richter, and J. Moreno, "Spectral calibration of hyperspectral imagery using atmospheric absorption features," Appl. Opt. 45, 2360-2370 (2006).
    [CrossRef] [PubMed]
  9. B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
    [CrossRef]
  10. R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
    [CrossRef]
  11. R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
    [CrossRef]
  12. J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
    [CrossRef]
  13. SEN2FLEX Campaign: http://www.uv.es/leo/sen2flex/
  14. CEFLES-2 Campaign: http://www.fz-juelich.de/icg/icg-3/cefles/

2008 (4)

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

Y. Feng and Y. Xiang, "Mitigation of spectral mis-registration effects in imaging spectrometers via cubic spline interpolation," Opt. Express 16, 15,366-15,374 (2008).
[CrossRef]

R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
[CrossRef]

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

2007 (3)

F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
[CrossRef]

L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
[CrossRef]

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

2006 (1)

2004 (1)

B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
[CrossRef]

2003 (1)

R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
[CrossRef]

2000 (1)

1998 (1)

Bourg, L.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Brazile, J.

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

Chrien, T. G.

R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
[CrossRef]

P. Mouroulis, R. O. Green, and T. G. Chrien, "Design of pushbroom imaging spectrometers for optimum recovery of spectroscopic and spatial information," Appl. Opt. 39, 2210-2220 (2000).
[CrossRef]

Davis, C. O.

B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
[CrossRef]

Dell’Endice, F.

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
[CrossRef]

Delwart, S.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Estelles, V.

L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
[CrossRef]

Feng, Y.

Y. Feng and Y. Xiang, "Mitigation of spectral mis-registration effects in imaging spectrometers via cubic spline interpolation," Opt. Express 16, 15,366-15,374 (2008).
[CrossRef]

Fischer, J.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Gao, B.-C.

B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
[CrossRef]

Green, R. O.

R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
[CrossRef]

P. Mouroulis, R. O. Green, and T. G. Chrien, "Design of pushbroom imaging spectrometers for optimum recovery of spectroscopic and spatial information," Appl. Opt. 39, 2210-2220 (2000).
[CrossRef]

R. O. Green, "Spectral calibration requirement for Earth-looking imaging spectrometers in the solar-reflected spectrum," Appl. Opt. 37, 683-690 (1998).
[CrossRef]

Guanter, L.

L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
[CrossRef]

L. Guanter, R. Richter, and J. Moreno, "Spectral calibration of hyperspectral imagery using atmospheric absorption features," Appl. Opt. 45, 2360-2370 (2006).
[CrossRef] [PubMed]

Itten, K. I.

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
[CrossRef]

Montes, M. J.

B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
[CrossRef]

Moreno, J.

L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
[CrossRef]

L. Guanter, R. Richter, and J. Moreno, "Spectral calibration of hyperspectral imagery using atmospheric absorption features," Appl. Opt. 45, 2360-2370 (2006).
[CrossRef] [PubMed]

Mouroulis, P.

Neville, R. A.

R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
[CrossRef]

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

Nieke, J.

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
[CrossRef]

Pavri, B. E.

R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
[CrossRef]

Preusker, R.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Ramon, D.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Richter, R.

Santer, R.

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Schl¨apfer, D.

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

Schlapfer, D.

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

F. Dell’Endice, J. Nieke, D. Schlapfer, and K. I. Itten, "Scene-based method for spatial misregistration detection in hyperspectral imagery," Appl. Opt. 46, 28032816 (2007).
[CrossRef]

Staenz, K.

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
[CrossRef]

Sun, L.

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
[CrossRef]

Xiang, Y.

Y. Feng and Y. Xiang, "Mitigation of spectral mis-registration effects in imaging spectrometers via cubic spline interpolation," Opt. Express 16, 15,366-15,374 (2008).
[CrossRef]

Appl. Opt. (4)

Can. J. Remote Sens. (2)

R. A. Neville, L. Sun, and K. Staenz, "Spectral calibration of imaging spectrometers by atmospheric absorption feature matching," Can. J. Remote Sens. 34, S29-S42 (2008).
[CrossRef]

J. Brazile, R. A. Neville, K. Staenz, D. Schl¨apfer, L. Sun, and K. I. Itten, "Toward scene-based retrieval of spectral response functions for hyperspectral imagers using Fraunhofer features," Can. J. Remote Sens. 34, S43- S58 (2008).
[CrossRef]

IEEE Trans. Geosci. Remote Sens. (2)

J. Nieke, D. Schlapfer, F. Dell’Endice, J. Brazile, and K. I. Itten, "Uniformity of imaging spectrometry data products," IEEE Trans. Geosci. Remote Sens. 46, 3326-3336 (2008).
[CrossRef]

R. O. Green, B. E. Pavri, and T. G. Chrien, "On-orbit radiometric and spectral calibration characteristics of EO-1 Hyperion derived with an underflight of AVIRIS and in situ measurements at Salar de Arizaro, Argentina," IEEE Trans. Geosci. Remote Sens. 41, 1194-1203 (2003).
[CrossRef]

Int. J. Remote Sens. (1)

S. Delwart, R. Preusker, L. Bourg, R. Santer, D. Ramon, and J. Fischer, "MERIS in-flight spectral calibration," Int. J. Remote Sens. 28, 479-496 (2007).
[CrossRef]

Opt. Express (1)

Y. Feng and Y. Xiang, "Mitigation of spectral mis-registration effects in imaging spectrometers via cubic spline interpolation," Opt. Express 16, 15,366-15,374 (2008).
[CrossRef]

Remote Sens. Environ. (2)

L. Guanter, V. Estelles, and J. Moreno, "Spectral calibration and atmospheric correction of ultra-fine spectral and spatial resolution remote sensing data. Application to CASI-1500 data," Remote Sens. Environ. 109, 54-65 (2007).
[CrossRef]

B.-C. Gao, M. J. Montes, and C. O. Davis, "Refinement of wavelength calibrations of hyperspectral imaging data using a spectrum-matching technique," Remote Sens. Environ. 90, 424-433 (2004).
[CrossRef]

Other (2)

SEN2FLEX Campaign: http://www.uv.es/leo/sen2flex/

CEFLES-2 Campaign: http://www.fz-juelich.de/icg/icg-3/cefles/

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Figures (8)

Fig. 1.
Fig. 1.

Schematic view of instrument spectral nonuniformity. The light-blue grid depicts the detector array. Errors in pixel center wavelength along the instrument spatial dimension due to either (a) smile or (b) detector array rotation are shown.

Fig. 2.
Fig. 2.

CASI smile and spectral resolution characterization at O2-A from SEN2FLEX June and July data.

Fig. 3.
Fig. 3.

Hyper-VNIR smile and spectral resolution characterization at O2-A from CEFLES2 April, June and September campaigns.

Fig. 4.
Fig. 4.

Hyper-SWIR smile and spectral resolution characterization at the water vapor absorption at 1140 nm from CEFLES2 June and September campaigns.

Fig. 5.
Fig. 5.

Comparison between Hyper-VNIR and CASI at-sensor radiance spectra acquired over green vegetation and bare soil surfaces.

Fig. 6.
Fig. 6.

CASI- and Hyper-derived surface reflectance spectra between 550 and 800 nm using the nominal and the updated spectral calibration parameters during atmospheric correction. The shift and FWHM values in the legend correspond to the deviation of the retrieved channel position and width with respect to the nominal ones.

Fig. 7.
Fig. 7.

At-sensor radiance from Hyper-VNIR extracted from typical green vegetation pixels at both edges of the instrument spatial dimension.

Fig. 8.
Fig. 8.

Comparison of Hyper-VNIR at-sensor radiance with simulated data for 2 sample targets.

Tables (1)

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Table 1. Specifications of SEN2FLEX/CASI and CEFLES/Hyper imaging spectrome

Equations (3)

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Lsens,i=L0,i+1πρs,i(Edir,iμil+Edif,i)T,i1Siρs,i
χ2(δ1,δ2)=i=n1n2[ρs,i(δ1,δ2)ρs,ism]2,
SRFi(λ;δ1,δ2)=exp [(λ(λc,i+δ1)C(fi+δ2))] ,

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